Re: Compressed Filesystem

["Lee Trager" <lt73@cs.drexel.edu>]

On Tue, Oct 28, 2008 at 11:47:27AM -0400, Chris Mason wrote:
> On Mon, 2008-10-27 at 10:54 -0400, Lee Trager wrote:
> > I have read on the mailing list that there has been some interest in
> > implementing transparent compression on btrfs and I too am thinking about
> > trying to implement it. Before I start from scratch I am wondering if
> > anyone else has started to work on this and if so how far along have
> > they gotten? I would be happy to work on this alone or with someone else
> > but currently I am doing some preliminary research.
> 
> Compression is working on my machine, I'm just running some long tests
> before I push it out to the unstable repo.  The current code uses the
> in-kernel zlib implementation.
> 
> -chris
>

Thats great I am eager to try it. How long will these tests take? I
would love to look at the code.  Is compression done for every file by
default or does a user space program have to set a compression flag on
the file?

Thanks,

Lee